DrJack's BLIPSPOT for: THU 08/27 Atkins_VA 2558ft pt29724@36.958,-81.342,2720ft SPONSORED BY: Randy Newberry BLIPSPOT sfc.temp. adjusted by -0.5 degF RUC - Last Analysis,Validation Time = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - - - - 0959z - - - Update Time FCST PERIOD - - - - - - - - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - - - - 78.9 - - - Temp@2m Sfc.Heating - - - - - - - - - 81 - - - Sfc.Heating BL Depth - - - - - - - - - 260 - - - BL Depth Hcrit - - - - - - - - - 2801 - - - Hcrit BL Top - - - - - - - - - 2818 - - - BL Top Hgt.Variab. - - - - - - - - - 6963 - - - Hgt.Variab. W* - - - - - - - - - 122 - - - W* B/S - - - - - - - - - 4 - - - B/S BL Wind - - - - - - - - - 5 - - - BL Wind Direction - - - - - - - - - 252 - - - Direction Wind Shear - - - - - - - - - 0 - - - Wind Shear Max.Converg - - - - - - - - - -1 - - - Max.Converg CLOUDpotent - - - - - - - - - -4071 - - - CLOUDpotentl sfcLCL - - - - - - - - - 6890 - - - sfcLCL ODpotential - - - - - - - - - -5369 - - - ODpotential blCL - - - - - - - - - 8187 - - - blCL maxRH - - - - - - - - - 77 - - - maxRH CAPE - - - - - - - - - 700 - - - CAPE Temp@2m - - - - - - - - - 78.9 - - - Temp@2m DewPt@2m - - - - - - - - - 58.2 - - - DewPt@2m Temp@Bot - - - - - - - - - 77.8 - - - Temp@Bot DewPt@Bot - - - - - - - - - 57.1 - - - DewPt@bot Sfc.Heating - - - - - - - - - 81 - - - Sfc.Heating BL Depth - - - - - - - - - 260 - - - BL Depth EXPERIMENT - - - - - - - - - 9 - - - EXPERIMENT EXPERIMENT2 - - - - - - - - - 11 - - - EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z [ft] ------------------------------------------------------------------------------------------- [ft] 98973 20 083 98973 91542 22 087 91542 85827 23 089 85827 81075 17 084 81075 76974 12 085 76974 73346 8 088 73346 70054 8 129 70054 67019 5 127 67019 64209 7 189 64209 61498 6 201 61498 58683 10 239 58683 55780 14 247 55780 53019 26 276 53019 50554 49 262 50554 48363 56 245 48363 46372 55 237 46372 44537 48 231 44537 42827 41 250 42827 41234 54 254 41234 39753 58 244 39753 38369 51 241 38369 37040 46 243 37040 35695 43 242 35695 34302 43 242 34302 32864 45 240 32864 31367 46 242 31367 29800 46 247 29800 28167 42 256 28167 26468 36 263 26468 24707 28 262 24707 22886 23 266 22886 21005 20 270 21005 19059 17 276 19059 17085 14 263 17085 15188 15 271 15188 13463 14 283 13463 11924 14 278 11924 10551 11 268 10551 9325 8 249 9325 8229 8 238 8229 7250 8 241 7250 6381 8 243 6381 5607 8 248 5607 4909 8 251 4909 4287 8 253 4287 3766 8 253 3766 3363 8 253 3363 3084 7 253 3084 2915 7*252 2915 2818 5*252 2818 PARAMETER KEY: (basic parameter information is provided at http://www.drjack.info/BLIP/INFO/basic_parameters.html) (more complete parameter descriptions are at http://www.drjack.info/BLIP/RUC/INFO/parameters.html) (additional help is at http://www.drjack.info/BLIP/INFO/index.html, e.g. "For NEW USERS" section) --------------------------------------------------------------------------------------------------- Update Time = UTC Time of BLIPSPOT calculation FCST PERIOD = Hours from model initialization time Temp@2m = Temperature at 2m AGL [F] Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] Hcrit = Height of Critical Updraft Strength [ftMSL] BL Top = Height of Boundary Layer Top (TI=0 height) [ftMSL] Hgt.Variab = Thermal Height Variability (difference between TI=+4{F} & TI=0 Heights) [ft] W* = Thermal Updraft Velocity (subtract glider sink rate to get vario) [fpm] B/S = Buoyancy/Shear Ratio (thermals may be unworkable if 5 or less) BL Wind = Wind Speed averaged through BL [kt] Direction = Wind Direction averaged through BL [degTrue] Max.Converg = Max. Vertical Velocity created by BL Convergence [x10^-2 kt] (note: BLIPMAPs provide better evaluation since convergence lines are usually mobile CLOUDpotent = Expect clouds at or above sfcLCL if positive (difference between H(TI=0) & sfcLCL) [ft] sfcLCL = Base of Lowest Clouds, if CLOUDpotent>0 (LCL = Lifting Condensation Level based upon sfc. humidity) [ftMSL] ODpotential = Expect extensive clouds at blCL if positive (difference between H(TI=0) & blCL) [ft] bLCL = Base of Extensive Clouds, if ODpotential>0 (bl CL = Condensation Level based upon BL humidity) [ftMSL] maxRH = Maximum Relative Humidity in BL [%] CAPE = Convective Available Potential Energy [J/kg] Temp@2m = Temperature at 2m AGL [F] DewPt@2m = Dew Point Temp. at 2m AGL [F] Temp@Bot = Temperature at 16m AGL (bottom of grid) [F] (intended for DrJack's use) DewPt@Bot = Dew Point Temp. at 16m AGL (bottom of grid) [F] (intended for DrJack's use) Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] EXPERIMENT = Mystery variable for test purposes (intended for DrJack's use) * = Indicates BL Top (TI=0 Height) on profiles Note: printed heights are for 18Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography